Atty. Peter G. Callaghan

Atty. Peter G. Callaghan

Peter G. Callaghan is a lawyer practicing litigation, business law.

Portland Portland 37 yrs experience 37 year
Call (844) 836-6250 Book Appointment

Profile Summary

About Peter G. Callaghan at a glance

Peter G. Callaghan is a Director based in Portland, Maine, practicing at Preti, Flaherty, Beliveau & Pachios, LLP. They have 37+ years of legal experience, licensed to practice since 1989. Their practice focuses on business and litigation. Admitted to practice in New Hampshire (1989), U.S. District Court, District of New Hampshire (1989), and U.S. Court of Appeals, First Circuit (1994). Educated at Villanova University (J.D., 1989) and Villanova University (B.A., 1986). Recognitions include AV Preeminent. Active member of New Hampshire Bar Association New Hampshire Trial Lawyers Association The Association of Trial Lawyers of America New Hampshire Association of Criminal Defense Lawyers. Serands clients in Portland, ME and the surrounding metropolitan area.

Verified attorney profile · Updated June 2026

About

  • Peter G. Callaghan is a lawyer practicing litigation, business law
  • Peter G. received a B.A. degree from Villanova University in 1986, and has been licensed for 37 years
  • Peter G. practices at Preti, Flaherty, Beliveau & Pachios, LLP in Portland, ME and 1 other location

Practice Areas Explained

Peter G. Callaghan's Areas of Practice

Each practice area below reflects the types of cases Peter G. Callaghan handles, with a brief overview of what that area of law covers.

Business & Corporate Law

Business attorneys advise founders and growing companies on entity formation, contracts, financing, M&A, and dispute resolution.

Peter G. Callaghan is one of 501,317 business attorneys indexed nationally. Browse business attorneys in Maine →

Civil Litigation

Civil litigation attorneys for breach of contract, business disputes, civil rights, and class action lawsuits.

Peter G. Callaghan is one of 454,532 litigation attorneys indexed nationally. Browse litigation attorneys in Maine →

Jurisdictional Context

Why local counsel matters in Maine

Practicing law in Maine. Legal matters in Maine are governed by state-specific rules of civil and criminal procedure, statutes of limitations, and substantive law. Cases originating in Portland are typically filed in the local municipal court or the appropriate Maine state district court, depending on subject matter and amount in controversy. An attorney licensed in Maine brings working knowledge of local procedural deadlines, judicial practices in this andnue, and the substantive law that applies to cases brought here. Out-of-state attorneys generally cannot represent clients in Maine courts without local counsel or pro hac vice admission.

Looking for additional Maine attorneys? Browse all attorneys in Portland or all attorneys in Maine.

Frequently Asked

Common questions about Peter G. Callaghan

Where is Peter G. Callaghan's law office located?
Peter G. Callaghan's law practice is located in Portland, Maine. The firm is Preti, Flaherty, Beliveau & Pachios, LLP. You can contact the office directly through this profile page.
What practice areas does Peter G. Callaghan handle?
Peter G. Callaghan focuses on business, litigation. Each practice area listed reflects experience handling cases of that type in Maine.
How long has Peter G. Callaghan practiced law?
Peter G. Callaghan has 37+ years of legal experience and has been licensed since 1989.
Where did Peter G. Callaghan go to law school?
Peter G. Callaghan earned their education at (J.D., 1989); (B.A., 1986).
How can I contact Peter G. Callaghan for a consultation?
You can contact Peter G. Callaghan directly through this profile page. Click "Ask the Attorney" to submit a question, or "Schedule a Consultation" to book a meeting. Most claimed-profile attorneys respond within one business day.
What awards or recognition has Peter G. Callaghan received?
Peter G. Callaghan's notable recognition includes: AV Preeminent.

Practice Areas

Education

J.D.
Villanova University
- 1989
B.A.
Villanova University
- 1986

Awards

AV Preeminent

Bar Admissions

New Hampshire
Admitted: 1989
U.S. District Court, District of New Hampshire
Admitted: 1989
U.S. Court of Appeals, First Circuit
Admitted: 1994

Reviews

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